2-(2-methylpyridin-4-yl)morpholine 、 6-chloro-8-(2,4-difluorophenyl)-5-fluoro-3-methyl-2-(trifluoromethyl)pyrido[3,4-d]pyrimidin-4(3H)-one 在
tris-(dibenzylideneacetone)dipalladium(0) 、
caesium carbonate 、
4,5-双二苯基膦-9,9-二甲基氧杂蒽 作用下,
以
甲苯 为溶剂,
以40 %的产率得到8-(2,4-difluorophenyl)-5-fluoro-3-methyl-6-(2-(2-methylpyridin-4-yl)morpholino)-2-(trifluoromethyl)pyrido[3,4-d]pyrimidin-4(3H)-one